Title

Green Er3+:YLiF4 upconversion laser at 551 nm with Yb3+ codoping: A novel pumping scheme

Abstract

We report room-temperature continuous-wave upconversion laser emission on the green transition 4S3/2 → 4I15/2 in Er(1%),Yb(3%):YLiF4 at 551 nm. Green laser operation was obtained for titanium-sapphire pump wavelengths continuously tunable between 955 and 974.5 nm. Codoping with Yb3+ resulted in a more efficient excitation of the upper laser level by upconversion processes. The maximum green laser output power was 37 mW at an incident titanium-sapphire pump power level of 1580 mW at 966 nm. © 1997 Optical Society of America.

Publication Date

9-15-1997

Publication Title

Optics Letters

Volume

22

Issue

18

Number of Pages

1412-1414

Document Type

Article

Personal Identifier

scopus

DOI Link

https://doi.org/10.1364/OL.22.001412

Socpus ID

0000258821 (Scopus)

Source API URL

https://api.elsevier.com/content/abstract/scopus_id/0000258821

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